... various of pigment removal, etc. Photodynamic PDT beauty device MK859 Photodynamic Therapy beauty machine MK859, Acne removal, promote collagen, accelerate ... 640± 5 nm>8000mcdPower supply: 110/220V, 50/60HzApplication A. Red Light Effect Anti-aging, skin rejuvenation, promote collagen ... energy or improper operation during beauty treatment. 1. CE, and ISO9001 Certificate passed2. The LED light head ...